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105 votes
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How could elves survive without any fat cell in their body?

Instead of fat, elves store energy as ethanol. Fats are the most dense form of food calories. Ethanol is a close second. From https://biology.stackexchange.com/questions/28511/what-is-the-most-...
Willk's user avatar
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90 votes

What sort of world would help prevent an intelligent species from discovering evolution?

The aliens are actually intelligently designed. The aliens and all life forms they are familiar with are designed by super beings. There are actually factions of super beings who design life forms ...
Willk's user avatar
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82 votes

Make slimes great again, but how?

Slimes can't be harmed with weapons They don't have a solid form. Slash it with a sword, whack it with a hammer, poke it with a spear, and all you get is a wet thud. Slimes can't be harmed by fire ...
kingledion's user avatar
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80 votes

How could mushroom/fungi forests be possible?

Before vascular land plants, there were weird fungal “trees.” People still do not really understand what exactly they were or what they ate. They were called prototaxites. from pinimg.com Wikpedia:...
Willk's user avatar
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72 votes

How could elves survive without any fat cell in their body?

Fat or adipose tissue carries out some very important functions, so if the elves are anything like humans—or like any sort of mammals—they need fat to survive. Long term energy storage is ...
Tumbislav's user avatar
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69 votes
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Would a culture with magic consider it magic?

TL;DR: the people of your world could definitely have a concept of magic, even if it was a "legal" part of their world. This is because a) there are always things that people don't understand, and b) ...
zzu's user avatar
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66 votes
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A planet rotating twice per second; what mass is needed to hold it together, and how oblate would it be?

Your planet is a pulsar From Wikipedia, the acceleration caused by centrifugal force of a rotating object is $$\omega\times(\omega\times r).$$ Since the direction is known to be tangential to both ...
kingledion's user avatar
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63 votes
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How can I explain English existing in a fantasy world?

There are a few ways to go about this... She's not the first Simply put she isn't the first English speaking person to be there, maybe of the few that came before her who spoke English one came into ...
Garrett Gaddy's user avatar
56 votes
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Do I have to rename all creatures in a new world?

"Kalgash is an alien world and it is not our intention to have you think that it is identical to Earth, even though we depict its people as speaking a language that you can understand, and using ...
rek's user avatar
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53 votes

If my world is flat (obviously not possible) how would I explain the edges?

I can think of at least two reasons. The physics answer, If your disk is massive enough you get an interesting effect that causes it to behave more like a bowl than a disk even though it is flat, at ...
John's user avatar
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51 votes
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Medieval ways to tell time, without a sun or stars

It seems that what you are after is a water clock. There's many designs, but the simplest is a water-filled jug in which floats a shallow bowl with a hole drilled into the bottom. Water trickles into ...
Ynneadwraith's user avatar
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50 votes

How large can a world be in fantasy?

You're using Pratchett as your example so the answer is largely as he approached it. The world is big enough for everything it needs to contain. He was deliberately vague about distances and ...
Separatrix's user avatar
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50 votes
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There's no space to construct a runway. Are early planes still useful and promising technology?

If you want something that will be more colorful and relevant to your own setting, heavier-than-air vehicles could be thought of as VTOL things: to launch them, you drop them. Only natural, it's how ...
Dewi Morgan's user avatar
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47 votes

A guy asked me to kill 15 trolls, how do I prove that I did it?

Cut off their tusks Fortunately, trolls have tusks. Cutting the end off of tusks takes a bit of work, but there is no blood involved, so it is suitable even for the squeamish. Note, horns are ...
kingledion's user avatar
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47 votes

Humans, except they always find the right solution to the wrong predicament

No They would all die upon discovering fire. To quote: "Give a man a fire and he's warm for a day, but set fire to him, and he's warm for the rest of his life." - Sir Terry Pratchett, Jingo ...
Halfthawed's user avatar
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44 votes
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If my world is flat (obviously not possible) how would I explain the edges?

Make your world finite but spatially bounded. This means anyone walking towards where the edge would be will find themselves inexplicably turned around, even though they were still walking in the same ...
a4android's user avatar
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41 votes

Medieval ways to tell time, without a sun or stars

Tide chart. The moon is concealed. But it is still there. The moon pulls on the sea and causes tides. The times of the tides are known. http://www.mvtimes.com/community/useful-information/tide-...
Willk's user avatar
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41 votes
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Make slimes great again, but how?

Slimes are very big. The little puddle on the floor is to the body of the slime as a mushroom is to the mycelium below. The mushroom is the size of your finger. The mycelium is the size of a car. ...
Willk's user avatar
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39 votes
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Elves have alcoholic blood

Elves have thicker skin. Literally. One of the purposes of fat in the body is kinetic: it serves as a cushion to absorb and distribute the force of impacts - not just in the sense of punches or ...
Cadence's user avatar
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39 votes

How to defend when attacked by an avian species?

It seems to me that your angels wouldn’t be invincible, impossible-to-defeat warriors with the parameters you’ve set. Like other answers have said, since they have to land eventually, they will be ...
Nick's user avatar
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38 votes

How could elves survive without any fat cell in their body?

Because they convert any excess energy directly into mana. As stated they are powerful mages, and as such are deeply linked with magic, and it's fuel, the omnipresent Mana. Thus they - or at least ...
Hobbamok's user avatar
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37 votes
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How much time would it take for a planet scale Miller-Urey experiment to generate intelligent life

This question cannot be answered as we simply do not know. We have a sample set of 1 - us. Based on that sample set the answer is 4.5 billion years, however we have no idea what factors would make ...
Tim B's user avatar
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37 votes

How could mushroom/fungi forests be possible?

Trees are tall because they are competing for sunlight. A fungus that received all the nutrients it need at or below ground level would have very little reason to grow taller. But you want a forrest ...
Lex's user avatar
  • 1,177
37 votes

Make slimes great again, but how?

Every drop of slime is a slime. If you splash goo everywhere while hitting, they'll each act as separate conscious slimes. The drops on your armor will search the gaps. The drops on your weapon will ...
Jemox's user avatar
  • 4,360
37 votes
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In a supercontinent would ships still be the primary way of transportation before the invention of engines?

I believe that you may be asking slightly the wrong question. You ask: "Will Ships still be useful on a super-continent" To which my answer is .... Yes! But a slightly better question is: &...
sdfgeoff's user avatar
  • 7,810
36 votes

Organism that can produce water on its own (possibly from air?) not requiring a water source. Is it plausible and if how?

You are generating new water molecules in your body right now. You just did! And again! That assumes you are an air breathing biologic organism; no offense meant if not. When we combine oxygen with ...
Willk's user avatar
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34 votes
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How to defend when attacked by an avian species?

Offering a different angle from many of the other answers... Bird people can be fearsome warriors in battle, yes, especially in numbers. But they live much higher than most land-based races, in ...
m-smith's user avatar
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33 votes

Can you naturally grow houses?

Yes, it is Possible Here are some examples: from: https://en.wikipedia.org/wiki/Tree_shaping from: https://www.permaculture.co.uk/articles/artful-science-tree-shaping I will try to copy-paste some ...
Li Jun's user avatar
  • 8,897
30 votes
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Is there a reason why similar or the same musical instruments would develop?

If you're assuming an atmosphere anywhere like ours (so basically the same acoustics), ears anywhere like ours (20 -- 20,000 Hz.) and hands like ours, then yes, you would probably see considerable ...
Catalyst's user avatar
  • 7,252
30 votes

Medieval ways to tell time, without a sun or stars

You can also use an hourglass, filled either with sand or water. It tells you the passing of time, and if you have enough of them, with different sizes, you can also tell multiples of a base unit of ...
L.Dutch's user avatar
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